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3081023873 = 8113799043
BaseRepresentation
bin1011011110100100…
…1011000110000001
321221201111020012022
42313221023012001
522302220230443
61225421011225
7136231161614
oct26751130601
97851436168
103081023873
111341180924
1271b9b3b15
133a1412965
1421329817b
1513074ae68
hexb7a4b181

3081023873 has 4 divisors (see below), whose sum is σ = 3084823728. Its totient is φ = 3077224020.

The previous prime is 3081023863. The next prime is 3081023879. The reversal of 3081023873 is 3783201803.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3783201803 = 9901382103.

It is a cyclic number.

It is not a de Polignac number, because 3081023873 - 218 = 3080761729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3081023879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898711 + ... + 1900332.

It is an arithmetic number, because the mean of its divisors is an integer number (771205932).

Almost surely, 23081023873 is an apocalyptic number.

It is an amenable number.

3081023873 is a deficient number, since it is larger than the sum of its proper divisors (3799855).

3081023873 is an equidigital number, since it uses as much as digits as its factorization.

3081023873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799854.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 3081023873 is about 55506.9713909884. The cubic root of 3081023873 is about 1455.1184739168.

The spelling of 3081023873 in words is "three billion, eighty-one million, twenty-three thousand, eight hundred seventy-three".

Divisors: 1 811 3799043 3081023873